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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201202-08">
  <title>stunnel: Arbitrary code execution</title>
  <synopsis>A vulnerability was found in stunnel, allowing remote attackers to
    cause a Denial of Service and potentially arbitrary code execution.
  </synopsis>
  <product type="ebuild">ebuild stunnel</product>
  <announced>2012-02-29</announced>
  <revised>2012-07-30: 2</revised>
  <bug>379859</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/stunnel" auto="yes" arch="*">
      <unaffected range="ge">4.44</unaffected>
      <unaffected range="lt">4</unaffected>
      <vulnerable range="lt">4.44</vulnerable>
    </package>
  </affected>
  <background>
    <p>The stunnel program is designed to work as an SSL encryption wrapper
      between a client and a local or remote server.
    </p>
  </background>
  <description>
    <p>An unspecified heap vulnerability was discovered in stunnel.</p>
  </description>
  <impact type="normal">
    <p>The vulnerability may possibly be leveraged to perform remote code
      execution or a Denial of Service attack.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All stunnel 4.x users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/stunnel-4.44"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2940">CVE-2011-2940</uri>
  </references>
  <metadata timestamp="2011-10-30T18:44:45Z" tag="requester">ago</metadata>
  <metadata timestamp="2012-07-30T23:07:18Z" tag="submitter">ago</metadata>
</glsa>